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Frequent questions

  • [FAQ] BQ25188: Registers Reset to Default Values

    Part Number: BQ25188 Why do the registers reset to their default values? The BQ2518x resets its R/W registers to the default values whenever a reset condition occurs. This can happen due to watchdog timers, power-on reset (POR), or a software-initiated…

  • [FAQ] BQ25188: Power Dissipation and Efficiency

    Part Number: BQ25188 Power Dissipation The BQ2518x is a linear charger with power path. Power path is a feature that allows the BQ2518x to power the system from the input source while simultaneously charging the battery. The back-to-back input FETs…

  • [FAQ] TI-CHARGER-GUI: USB2ANY Failed to Connect Error

    Part Number: TI-CHARGER-GUI Other Parts Discussed in Thread: USB2ANY The "Failed to Connect" error typically indicates that the USB2ANY firmware needs to be updated. In most cases, re-flashing the USB2ANY firmware to version 2.9.0.3 resolves the issue…

  • [FAQ] UCC27735-Q1: How can I build a circuit to generate a negative turn-off voltage?

    Part Number: UCC27735-Q1 Other Parts Discussed in Thread: UCC27624 , UCC27735 , UCC27301A , UCC27734 In Fundamentals of Gate Drivers section 6, there is a description of how to use AC coupling to create a negative gate voltage. Wide-bandgap devices…

  • [FAQ] BQ24810: BQ24810 Schematic Checklist

    Part Number: BQ24810 Other Parts Discussed in Thread: BQ24800 , BQ24780S Hello Everyone, Please refer to the schematic checklist for BQ24780s/BQ24800/BQ24810 BQ24780s_BQ24800_BQ24810SchematicChecklist.pdf Best Regards, Christian.

  • [FAQ] BQ25773: How To Modify the GM_Adjust And Autotune Register based on Inductor Selection

    Part Number: BQ25773 Other Parts Discussed in Thread: BQSTUDIO , Hello Everyone, The purpose of the GM_ADJUST_FORCE and Autotune_FORCE register is to inform the charger of the effective inductance and DCR so it can optimize loop compensation for stable…

  • [FAQ] BQ25770G: How To Modify the GM_Adjust And Autotune Register based on Inductor Selection

    Part Number: BQ25770G Other Parts Discussed in Thread: BQSTUDIO Hello Everyone, The purpose of the GM_ADJUST_FORCE and Autotune_FORCE register is to inform the charger of the effective inductance and DCR so it can optimize loop compensation for…

  • [FAQ] TPS922051: How to design the shunt resistor Rlk_comp for TPS922051/0

    Part Number: TPS922051 How to design the shunt resistor Rlk_comp for TPS922051/0

  • [FAQ] TPS922051: How to design compensation capacitor for TPS922051/0?

    Part Number: TPS922051 How to design the compensation capacitor for TPS922051/0?

  • [FAQ] What are some commonly asked questions about voltage tracking LDOs?

    What is the difference between a tracking LDO and a regular LDO? A regular LDO reacts to changes in the input voltage, V IN and the load current, I OUT by dynamically minimizing error between the feedback voltage, V FB and an internal reference voltage…

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